Piotr Caban : msvcrt: Only check for flag presence in isatty function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d3a48ee3427fa458de2d3830d567c8f6ee0c682c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d3a48ee3427fa458de2d3830d567c8f6ee0c682c

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Thu Jul 31 09:51:52 2014 -0500

msvcrt: Only check for flag presence in isatty function.

---

 dlls/msvcrt/file.c | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index 0e5deba..7ce8b59 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -65,7 +65,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
 #define WX_PIPE           0x08
 #define WX_DONTINHERIT    0x10
 #define WX_APPEND         0x20
-#define WX_NOSEEK         0x40
+#define WX_TTY            0x40
 #define WX_TEXT           0x80
 
 /* values for exflag - it's used differently in msvcr90.dll*/
@@ -376,7 +376,7 @@ static int msvcrt_set_fd(HANDLE hand, int flag, int fd)
   }
 
   fdinfo->handle = hand;
-  fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_NOSEEK));
+  fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY));
   fdinfo->lookahead[0] = '\n';
   fdinfo->lookahead[1] = '\n';
   fdinfo->lookahead[2] = '\n';
@@ -550,7 +550,7 @@ void msvcrt_init_io(void)
     HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
     DWORD type = GetFileType(h);
 
-    msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
+    msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
             |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDIN_FILENO);
   }
 
@@ -559,7 +559,7 @@ void msvcrt_init_io(void)
     HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
     DWORD type = GetFileType(h);
 
-    msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
+    msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
             |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDOUT_FILENO);
   }
 
@@ -568,7 +568,7 @@ void msvcrt_init_io(void)
     HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
     DWORD type = GetFileType(h);
 
-    msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
+    msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
             |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDERR_FILENO);
   }
 
@@ -607,13 +607,9 @@ static int msvcrt_flush_buffer(MSVCRT_FILE* file)
  */
 int CDECL MSVCRT__isatty(int fd)
 {
-    HANDLE hand = msvcrt_fdtoh(fd);
+    TRACE(":fd (%d)\n",fd);
 
-    TRACE(":fd (%d) handle (%p)\n",fd,hand);
-    if (hand == INVALID_HANDLE_VALUE)
-        return 0;
-
-    return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
+    return msvcrt_get_ioinfo(fd)->wxflag & WX_TTY;
 }
 
 /* INTERNAL: Allocate stdio file buffer */
@@ -2006,7 +2002,7 @@ int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int
 {
   DWORD access = 0, creation = 0, attrib;
   SECURITY_ATTRIBUTES sa;
-  DWORD sharing;
+  DWORD sharing, type;
   int wxflag;
   HANDLE hand;
 
@@ -2139,6 +2135,12 @@ int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int
           oflags = check_bom(hand, oflags, TRUE);
   }
 
+  type = GetFileType(hand);
+  if (type == FILE_TYPE_CHAR)
+      wxflag |= WX_TTY;
+  else if (type == FILE_TYPE_PIPE)
+      wxflag |= WX_PIPE;
+
   *fd = msvcrt_alloc_fd(hand, wxflag);
   if (*fd == -1)
       return *MSVCRT__errno();
@@ -2300,7 +2302,7 @@ int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
   }
 
   if (flags == FILE_TYPE_CHAR)
-    flags = WX_NOSEEK;
+    flags = WX_TTY;
   else if (flags == FILE_TYPE_PIPE)
     flags = WX_PIPE;
   else
@@ -2424,7 +2426,7 @@ static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
                 buf[0] = '\n';
             else {
                 buf[0] = '\r';
-                if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
+                if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
                     fdinfo->lookahead[0] = lookahead;
                 else
                     SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
@@ -2472,7 +2474,7 @@ static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
     if(char_len+i <= pos)
         i += char_len;
 
-    if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK)) {
+    if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) {
         if(i < pos)
             fdinfo->lookahead[0] = readbuf[i];
         if(i+1 < pos)
@@ -2500,7 +2502,7 @@ static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
                 if(lookahead != '\n')
                     readbuf[j++] = '\r';
 
-                if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
+                if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
                     fdinfo->lookahead[0] = lookahead;
                 else
                     SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
@@ -2634,7 +2636,7 @@ static int read_i(int fd, void *buf, unsigned int count)
                                 if(utf16) bufstart[j++] = 0;
                             }
 
-                            if (fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
+                            if (fdinfo->wxflag & (WX_PIPE | WX_TTY))
                             {
                                 if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
                                 {